Definition of optico-chemical in English:

optico-chemical

Pronunciation /ˌɒptɪkə(ʊ)ˈkɛmɪkl/

adjective

historical
  • Of or relating to the effects which chemical properties and changes have on optical phenomena such as the absorption, transmission,and polarization of light.

Origin

Mid 19th century; earliest use found in Philosophical Transactions of the Royal Society of London.